Round|Lab Grown|IGI

3.12ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG805678310

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805678310

Diamond specifications and retailer prices

From $1,282 SGD
$1,003 USD
As of October 29, 2026
Save $3,902 SGD (75%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,516 SGD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 3.12ct lab-grown round diamond

This 3.12ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG805678310 or 805678310. Listed at 23 retailers as of October 29, 2026, with a 304% 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

3.12
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805678310
Dimensions9.31 × 9.34 × 5.80 mm
L/W Ratio1.00
Girdle conditionFaceted
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
9.31 mm9.34 mm3.12 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805678310
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.2%

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: $5,516 SGD|Low: $1,395 SGD|High: $5,574 SGD|Avg: $3,094 SGD|-1.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 4$1,395 SGD
Retailer 5$1,436 SGD
Retailer 9$1,713 SGD
Retailer 3$1,829 SGD
Retailer 2$2,135 SGD
Retailer 10$2,227 SGD
Retailer 8$2,487 SGD
Retailer 11$3,355 SGD
Retailer 6$3,453 SGD
Retailer 12$4,602 SGD
Retailer 13$4,989 SGD
Retailer 7$5,070 SGD
Rare Carat$5,516 SGD

44 data points across 13 retailers

23 retailers$1,282 SGD to $5,184 SGD

A
Cheapest Retailer
-
$1,282 SGD
$1,003 USD
A
Retailer 2
-
$1,395 SGD
$1,091 USD
View
A
Retailer 3
-
$1,436 SGD
$1,123 USD
View
Final sale: no returns
A
Retailer 4
-
$1,487 SGD
$1,163 USD
View
Retailer 5
-
$1,487 SGD
$1,163 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,713 SGD
$1,340 USD
View
A
Retailer 7
-
$1,718 SGD
HK$10,500 HKD
View
A
Retailer 8
-
$1,829 SGD
$1,431 USD
View
B+
Retailer 9
-
$2,135 SGD
£1,315 GBP
View
B+
Retailer 10
-
$2,227 SGD
$1,742 USD
View
B+
Retailer 11
-
$2,487 SGD
€1,853 EUR
View
B+
Retailer 12
-
$2,777 SGD
$2,172 USD
View
B+
Retailer 13
-
$2,787 SGD
$2,180 USD
View
B+
Retailer 14
-
$3,108 SGD
$2,431 USD
View
Retailer 15
-
$3,355 SGD
A$4,038 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$3,453 SGD
ZAR 43,635 ZAR
View
B
Retailer 17
-
$4,602 SGD
$3,600 USD
View
B
Retailer 18
-
$4,611 SGD
$3,607 USD
View
B
Retailer 19
-
$4,801 SGD
$3,755 USD
View
B
Retailer 20
-
$4,989 SGD
View
B
Retailer 21
-
$5,070 SGD
£3,123 GBP
View
B
Retailer 22
-
$5,184 SGD
$4,055 USD
View
Most Expensive
Rare Carat
273-3231A · Oct 18
$5,516 SGD
$4,315 USD
View
Price last confirmed 12 days ago
22 more retailers have this diamond
Prices start from $1,282 SGDSave up to $3,902 SGD

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
$1,282 SGD