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Round|Lab Grown|IGI

3.12ct I VVS2 Round Lab Grown Diamond

EX • I/VVS2 • IGI LG638428429

Shape and cutting style on the report: Round brilliant

Certificate IGI LG638428429

Diamond specifications and retailer prices

From $508 USD
As of October 29, 2026
Save $3,132 USD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,640 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.12ct lab-grown round diamond

This 3.12ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG638428429 or 638428429. Listed at 15 retailers as of October 29, 2026, with prices from $508 to $3,640, a $3,132 spread on the same certified stone. Do Amore Diamonds lists it at $3,640. 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

3.12
Carat
I
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638428429
Dimensions9.26 × 9.22 × 5.88 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.26 mm9.22 mm3.12 ctI / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG638428429
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.6%

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: $3,640 USD|Low: $655 USD|High: $3,640 USD|Avg: $1,424 USD
Do Amore Diamonds
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
October 30, 2026
Retailer 4$686 USD
Retailer 11$720 USD
Retailer 2$751 USD
Retailer 12$802 USD
Retailer 13$814 USD
Retailer 14$876 USD
Retailer 6$1,198 USD
Retailer 7$1,216 USD
Retailer 10$1,424 USD
Retailer 9$1,915 USD
Retailer 3$1,950 USD
Retailer 8$2,061 USD
Retailer 5$2,271 USD
Do Amore Diamonds$3,640 USD

31 data points across 14 retailers

15 retailers$508 USD to $3,640 USD

Retailer 1
-
$508 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$508 USD
View
A
Retailer 3
-
$720 USD
View
A
Retailer 4
-
$751 USD
£591 GBP
View
B+
Retailer 5
-
$802 USD
View
A
Retailer 6
-
$814 USD
View
A
Retailer 7
-
$876 USD
View
B+
Retailer 8
-
$1,216 USD
ZAR 19,650 ZAR
View
B
Retailer 9
-
$1,424 USD
View
Retailer 10
-
$1,801 USD
View
Price last confirmed 30 days ago
B
Retailer 11
-
$1,915 USD
View
B
Retailer 12
-
$1,950 USD
View
Retailer 13
-
$1,955 USD
View
Price last confirmed 26 days ago
B
Retailer 14
-
$2,061 USD
£1,623 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5155C61B2 · Oct 30
$3,640 USD
View
14 more retailers have this diamond
Prices start from $508 USDSave up to $3,132 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
3.12ct Round
$508 USD