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Round|Lab Grown|IGI

3.12ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG659434541

Shape and cutting style on the report: Round brilliant

Certificate IGI LG659434541

Diamond specifications and retailer prices

From $1,448 NZD
$816 USD
As of October 29, 2026
Save $10,893 NZD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $18,683 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG659434541 or 659434541. Listed at 24 retailers as of October 29, 2026, with a 752% 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°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659434541
Dimensions9.32 × 9.36 × 5.79 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
9.32 mm9.36 mm3.12 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659434541
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.9%

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: $18,683 NZD|Low: $1,448 NZD|High: $18,683 NZD|Avg: $5,233 NZD
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
October 30, 2026
Retailer 6$1,448 NZD
Retailer 5$2,172 NZD
Retailer 4$2,433 NZD
Retailer 10$2,440 NZD
Retailer 2$2,534 NZD
Retailer 15$3,698 NZD
Retailer 13$3,739 NZD
Retailer 9$3,847 NZD
Retailer 7$4,594 NZD
Retailer 3$5,073 NZD
Retailer 8$6,244 NZD
Retailer 11$7,117 NZD
Retailer 14$7,434 NZD
Retailer 12$12,341 NZD
Brilliant Earth$18,683 NZD

40 data points across 15 retailers

24 retailers$1,448 NZD to $12,341 NZD

Retailer 1
-
$1,293 NZD
$729 USD
Price last confirmed 20 days ago
Retailer 2
-
$1,407 NZD
$793 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,448 NZD
$816 USD
View
Final sale: no returns
Retailer 4
-
$1,501 NZD
$846 USD
View
Price last confirmed 14 days ago
Retailer 5
-
$1,501 NZD
$846 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$2,172 NZD
$1,224 USD
View
A
Retailer 7
-
$2,433 NZD
$1,371 USD
View
A
Retailer 8
-
$2,440 NZD
$1,375 USD
View
A
Retailer 9
-
$2,534 NZD
£1,124 GBP
View
B+
Retailer 10
-
$2,869 NZD
$1,617 USD
View
B+
Retailer 11
-
$3,698 NZD
$2,084 USD
View
Retailer 12
-
$3,739 NZD
A$3,242 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$3,847 NZD
ZAR 35,028 ZAR
View
B+
Retailer 14
-
$4,594 NZD
$2,589 USD
View
Retailer 15
-
$4,658 NZD
$2,625 USD
View
Price last confirmed 23 days ago
B
Retailer 16
-
$5,072 NZD
$2,859 USD
View
B
Retailer 17
-
$5,073 NZD
$2,859 USD
View
B
Retailer 18
-
$5,919 NZD
$3,336 USD
View
B+
Retailer 19
-
$6,244 NZD
£2,771 GBP
View
B
Retailer 20
-
$7,117 NZD
$4,011 USD
View
Retailer 21
-
$7,434 NZD
$4,190 USD
View
Price last confirmed 13 days ago
B
Retailer 22
-
$11,497 NZD
$6,480 USD
View
B
Retailer 23
-
$12,341 NZD
$6,956 USD
View
Most Expensive
Brilliant Earth
18396268Y · Oct 29
$18,683 NZD
$10,530 USD
View
Price under review
23 more retailers have this diamond
Prices start from $1,448 NZDSave up to $10,893 NZD

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
$1,448 NZD