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Round|Lab Grown|IGI

3.51ct D VVS2 Round Lab Grown Diamond

ID • D/VVS2 • IGI LG703510921

Shape and cutting style on the report: Round brilliant

Certificate IGI LG703510921

Diamond specifications and retailer prices

From $1,100 USD
As of October 29, 2026
Save $2,876 USD (72%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $9,420 USD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 3.51ct lab-grown round diamond

This 3.51ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG703510921 or 703510921. Listed at 28 retailers as of October 29, 2026, with a 261% 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

3.51
Carat
D
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG703510921
Dimensions9.79 × 9.75 × 6.03 mm
L/W Ratio1.00
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
9.79 mm9.75 mm3.51 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG703510921
Side View
Table 53.0%Crown 34.3°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.8%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $9,420 USD|Low: $944 USD|High: $9,710 USD|Avg: $2,781 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 4$984 USD
Retailer 5$1,100 USD
Retailer 8$1,141 USD
Retailer 15$1,315 USD
Retailer 18$1,318 USD
Retailer 10$1,426 USD
Retailer 11$1,632 USD
Retailer 2$1,754 USD
Retailer 14$1,822 USD
Retailer 12$2,139 USD
Retailer 19$2,246 USD
Retailer 20$2,575 USD
Retailer 13$2,650 USD
Retailer 16$2,963 USD
Retailer 7$3,395 USD
Retailer 6$3,611 USD
Retailer 9$3,827 USD
Retailer 17$3,875 USD
Retailer 3$4,460 USD
Brilliant Earth$9,420 USD

39 data points across 20 retailers

28 retailers$1,100 USD to $3,976 USD

Retailer 1
-
$984 USD
Price last confirmed 11 days ago
Retailer 2
-
$1,070 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,100 USD
View
Final sale: no returns
Retailer 4
-
$1,125 USD
View
Price last confirmed 45 days ago
Retailer 5
-
$1,141 USD
View
Price last confirmed 11 days ago
Retailer 6
-
$1,141 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$1,315 USD
View
A
Retailer 8
-
$1,318 USD
HK$10,300 HKD
View
A
Retailer 9
-
$1,426 USD
View
A
Retailer 10
-
$1,632 USD
View
B+
Retailer 11
-
$1,754 USD
£1,381 GBP
View
B+
Retailer 12
-
$1,822 USD
€1,735 EUR
View
B+
Retailer 13
-
$2,070 USD
View
Retailer 14
-
$2,139 USD
View
Price last confirmed 12 days ago
Retailer 15
-
$2,183 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$2,246 USD
View
Retailer 17
-
$2,575 USD
A$3,961 AUD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
$2,650 USD
ZAR 42,804 ZAR
View
B
Retailer 19
-
$2,963 USD
A$4,558 AUD
View
B
Retailer 20
-
$3,395 USD
View
B
Retailer 21
-
$3,538 USD
View
Retailer 22
-
$3,611 USD
A$5,555 AUD
View
Price last confirmed 22 days ago
B
Retailer 23
-
$3,694 USD
View
B
Retailer 24
-
$3,827 USD
SGD 5,171 SGD
View
B+
Retailer 25
-
$3,875 USD
£3,051 GBP
View
B
Retailer 26
-
$3,976 USD
View
Retailer 27
-
$4,460 USD
View
Price last confirmed 12 days ago
Most Expensive
Brilliant Earth
14220527A · Oct 24
$9,420 USD
View
Price under review
27 more retailers have this diamond
Prices start from $1,100 USDSave up to $2,876 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
3.51ct Round
$1,100 USD