Asscher|Lab Grown|IGI

3.09ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG631463228

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG631463228

Diamond specifications and retailer prices

From $1,617 USD
As of October 31, 2026
Save $14,839 USD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $16,456 USD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 3.09ct lab-grown asscher diamond

This 3.09ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG631463228 or 631463228. Listed at 22 retailers as of October 31, 2026, with prices from $1,617 to $16,456, a $14,839 spread on the same certified stone. Diamond Quarter lists it at $16,456. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631463228
Dimensions8.12 × 7.94 × 5.28 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.12 mm7.94 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631463228
Side View
Table 64.0%Crown 35.7°Girdle: MediumPavilion 41.3°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,621 USD|Low: $1,154 USD|High: $12,870 USD|Avg: $5,177 USD|-14.7%
Retailer 1
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Retailer 21
October 31, 2026
Retailer 4$1,617 USD
Retailer 19$1,676 USD
Retailer 8$1,845 USD
Retailer 2$1,969 USD
Retailer 5$2,343 USD
Retailer 7$2,378 USD
Retailer 13$2,464 USD
Retailer 1$2,621 USD
Retailer 15$2,809 USD
Retailer 12$4,296 USD
Retailer 9$4,465 USD
Retailer 11$5,109 USD
Retailer 18$5,312 USD
Retailer 16$5,630 USD
Retailer 10$6,523 USD
Retailer 14$6,529 USD
Retailer 17$7,450 USD
Retailer 20$9,102 USD
Retailer 6$9,940 USD
Retailer 3$12,870 USD
Retailer 21$12,870 USD

44 data points across 21 retailers

22 retailers$1,617 USD to $16,456 USD

A
Cheapest Retailer
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$1,617 USD
Final sale: no returns
Retailer 2
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$1,676 USD
View
Price last confirmed 19 days ago
A
Retailer 3
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$1,845 USD
View
A
Retailer 4
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$1,969 USD
View
A
Retailer 5
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$2,218 USD
View
A
Retailer 6
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$2,343 USD
View
A
Retailer 7
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$2,378 USD
View
A
Retailer 8
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$2,621 USD
£2,064 GBP
View
A
Retailer 9
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$2,809 USD
€2,675 EUR
View
A
Retailer 10
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$4,296 USD
ZAR 69,407 ZAR
View
A
Retailer 11
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$4,465 USD
£3,516 GBP
View
B+
Retailer 12
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$5,109 USD
View
A
Retailer 13
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$5,312 USD
£4,183 GBP
View
Retailer 14
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$5,630 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
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$6,523 USD
View
B+
Retailer 16
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$7,450 USD
View
B
Retailer 17
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$9,102 USD
View
B
Retailer 18
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$9,940 USD
View
B
Retailer 19
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$10,730 USD
View
B
Retailer 20
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$12,870 USD
View
B
Retailer 21
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$12,870 USD
View
Most Expensive
B
Diamond Quarter
3.09IFDLG286A9BN · Oct 31
$16,456 USD
£12,957 GBP
View
21 more retailers have this diamond
Prices start from $1,617 USDSave up to $14,839 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.09ct Asscher
$1,617 USD