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Round|Lab Grown|IGI

3.12ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG638445532

Shape and cutting style on the report: Round brilliant

Certificate IGI LG638445532

Diamond specifications and retailer prices

From $1,162 AUD
$816 USD
As of October 29, 2026
Save $8,740 AUD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $14,991 AUD 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 LG638445532 or 638445532. 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 angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638445532
Dimensions9.33 × 9.37 × 5.76 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
9.33 mm9.37 mm3.12 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638445532
Side View
Table 57.0%Crown 35.3°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.6%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $14,991 AUD|Low: $1,162 AUD|High: $14,991 AUD|Avg: $4,179 AUD
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$1,162 AUD
Retailer 5$1,742 AUD
Retailer 4$1,952 AUD
Retailer 9$1,957 AUD
Retailer 2$2,033 AUD
Retailer 15$2,967 AUD
Retailer 13$3,000 AUD
Retailer 8$3,087 AUD
Retailer 7$3,686 AUD
Retailer 3$4,070 AUD
Retailer 10$4,990 AUD
Retailer 11$5,710 AUD
Retailer 14$5,965 AUD
Retailer 12$9,902 AUD
Brilliant Earth$14,991 AUD

41 data points across 15 retailers

24 retailers$1,162 AUD to $9,902 AUD

Retailer 1
-
$1,038 AUD
$729 USD
Price last confirmed 20 days ago
Retailer 2
-
$1,129 AUD
$793 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,162 AUD
$816 USD
View
Final sale: no returns
Retailer 4
-
$1,204 AUD
$846 USD
View
Price last confirmed 14 days ago
Retailer 5
-
$1,204 AUD
$846 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,742 AUD
$1,224 USD
View
A
Retailer 7
-
$1,952 AUD
$1,371 USD
View
A
Retailer 8
-
$1,957 AUD
$1,375 USD
View
A
Retailer 9
-
$2,033 AUD
£1,124 GBP
View
B+
Retailer 10
-
$2,302 AUD
$1,617 USD
View
B+
Retailer 11
-
$2,967 AUD
$2,084 USD
View
Retailer 12
-
$3,000 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$3,087 AUD
ZAR 35,028 ZAR
View
B+
Retailer 14
-
$3,686 AUD
$2,589 USD
View
Retailer 15
-
$3,737 AUD
$2,625 USD
View
Price last confirmed 23 days ago
B
Retailer 16
-
$4,070 AUD
$2,859 USD
View
B
Retailer 17
-
$4,070 AUD
$2,859 USD
View
B
Retailer 18
-
$4,749 AUD
$3,336 USD
View
B+
Retailer 19
-
$4,990 AUD
£2,760 GBP
View
B
Retailer 20
-
$5,710 AUD
$4,011 USD
View
Retailer 21
-
$5,965 AUD
$4,190 USD
View
Price last confirmed 12 days ago
B
Retailer 22
-
$9,225 AUD
$6,480 USD
View
B
Retailer 23
-
$9,902 AUD
$6,956 USD
View
Most Expensive
Brilliant Earth
18397068Y · Oct 29
$14,991 AUD
$10,530 USD
View
Price under review
23 more retailers have this diamond
Prices start from $1,162 AUDSave up to $8,740 AUD

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
$1,162 AUD