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Round|Lab Grown|IGI

3.54ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG768619156

Certificate IGI LG768619156

Diamond specifications and retailer prices

From $1,351 USD
Save $14,209 USD (91%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $19,330 USD at Brilliant Earth
View at Brilliant Earth

About this 3.54ct lab-grown round diamond

This 3.54ct lab-grown round 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 LG768619156 or 768619156. Listed at 22 retailers, with a 1052% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.54
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768619156
Dimensions9.72 × 9.77 × 6.05 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.72 mm9.77 mm3.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768619156
Side View
Table 57.0%Crown 35.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $19,330 USD|Low: $964 USD|High: $19,370 USD|Avg: $6,382 USD|-0.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 19
Retailer 20
October 1, 2026
Retailer 19$1,351 USD
Retailer 11$1,970 USD
Retailer 18$2,065 USD
Retailer 13$2,180 USD
Retailer 3$2,183 USD
Retailer 2$2,316 USD
Retailer 5$2,681 USD
Retailer 16$3,492 USD
Retailer 15$3,522 USD
Retailer 17$4,199 USD
Retailer 7$4,359 USD
Retailer 14$5,023 USD
Retailer 9$5,478 USD
Retailer 6$5,525 USD
Retailer 10$6,014 USD
Retailer 12$6,520 USD
Retailer 8$10,710 USD
Retailer 4$15,560 USD
Retailer 20$15,560 USD
Brilliant Earth$19,330 USD

38 data points across 20 retailers

22 retailers$1,351 USD to $15,560 USD

A
Cheapest Retailer
-
$1,351 USD
A
Retailer 2
-
$1,970 USD
View
A
Retailer 3
-
$2,065 USD
View
A
Retailer 4
-
$2,183 USD
View
A
Retailer 5
-
$2,185 USD
£1,720 GBP
View
A
Retailer 6
-
$2,316 USD
€2,206 EUR
View
A
Retailer 7
-
$2,681 USD
View
A
Retailer 8
-
$3,492 USD
A$5,373 AUD
View
A
Retailer 9
-
$3,522 USD
ZAR 56,894 ZAR
View
B+
Retailer 10
-
$3,640 USD
View
B+
Retailer 11
-
$4,199 USD
View
B+
Retailer 12
-
$4,359 USD
View
B+
Retailer 13
-
$5,023 USD
£3,955 GBP
View
B+
Retailer 14
-
$5,478 USD
View
B+
Retailer 15
-
$5,525 USD
View
B+
Retailer 16
-
$6,014 USD
View
B+
Retailer 17
-
$6,520 USD
View
B
Retailer 18
-
$7,036 USD
View
Price last confirmed 38 days ago
B
Retailer 19
-
$10,710 USD
View
B
Retailer 20
-
$15,560 USD
View
B
Retailer 21
-
$15,560 USD
View
Most Expensive
B
Brilliant Earth
18741913A · Sep 23
$19,330 USD
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from $1,351 USDSave up to $14,209 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.

A
3.54ct Round
$1,351 USD