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Round|Lab Grown|IGI

3.55ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG697510319

Certificate IGI LG697510319

Diamond specifications and retailer prices

From $1,287 USD
Save $17,993 USD (93%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $19,280 USD at Brilliant Earth
View at Brilliant Earth

About this 3.55ct lab-grown round diamond

This 3.55ct 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 LG697510319 or 697510319. Listed at 23 retailers, with prices from $1,287 to $19,280 at Brilliant Earth, a $17,993 spread on the same certified stone. 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

3.55
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG697510319
Dimensions9.74 × 9.81 × 6.03 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
9.74 mm9.81 mm3.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG697510319
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.6%

Caratlytics Score

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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: Sep 28
Current: $19,280 USD|Low: $1,028 USD|High: $19,280 USD|Avg: $4,418 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
Retailer 18
October 1, 2026
Retailer 3$1,441 USD
Retailer 4$1,493 USD
Retailer 18$1,819 USD
Retailer 16$2,110 USD
Retailer 9$2,210 USD
Retailer 12$2,328 USD
Retailer 11$2,364 USD
Retailer 7$2,439 USD
Retailer 8$2,784 USD
Retailer 15$3,726 USD
Retailer 13$3,758 USD
Retailer 14$4,404 USD
Retailer 2$4,765 USD
Retailer 6$5,565 USD
Retailer 17$5,717 USD
Retailer 10$5,842 USD
Retailer 5$8,860 USD
Brilliant Earth$19,280 USD

38 data points across 18 retailers

23 retailers$1,287 USD to $19,280 USD

A
Cheapest Retailer
-
$1,287 USD
A
Retailer 2
-
$1,401 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$1,441 USD
View
A
Retailer 4
-
$1,473 USD
View
A
Retailer 5
-
$1,493 USD
View
A
Retailer 6
-
$1,819 USD
View
A
Retailer 7
-
$2,110 USD
View
A
Retailer 8
-
$2,210 USD
View
A
Retailer 9
-
$2,333 USD
£1,837 GBP
View
A
Retailer 10
-
$2,364 USD
View
A
Retailer 11
-
$2,439 USD
€2,323 EUR
View
Price last confirmed 47 days ago
A
Retailer 12
-
$2,784 USD
View
A
Retailer 13
-
$3,090 USD
View
B+
Retailer 14
-
$3,726 USD
A$5,733 AUD
View
A
Retailer 15
-
$3,758 USD
ZAR 60,716 ZAR
View
B+
Retailer 16
-
$4,404 USD
View
B+
Retailer 17
-
$4,765 USD
£3,752 GBP
View
B+
Retailer 18
-
$5,565 USD
View
B+
Retailer 19
-
$5,717 USD
SGD 7,726 SGD
View
B+
Retailer 20
-
$5,842 USD
View
B
Retailer 21
-
$8,860 USD
View
B
Retailer 22
-
$9,630 USD
View
Most Expensive
B
Brilliant Earth
21068593Y · Oct 1
$19,280 USD
View
22 more retailers have this diamond
Prices start from $1,287 USDSave up to $17,993 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
3.55ct Round
$1,287 USD