CaratHunter
Plans
Round|Lab Grown|IGI

3.10ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG666443721

Shape and cutting style on the report: Round brilliant

Certificate IGI LG666443721

Diamond specifications and retailer prices

From $523 AUD
As of November 5, 2026
Save $2,598 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,121 AUD at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG666443721 or 666443721. Listed at 15 retailers as of November 4, 2026, with prices from $523 to $3,121, a $2,598 spread on the same certified stone. Rare Carat lists it at $3,121. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.10
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666443721
Dimensions9.37 × 9.40 × 5.77 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
9.37 mm9.40 mm3.10 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666443721
Side View
Table 56.0%Crown 34.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.5%

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: Nov 5
Current: $3,121 AUD|Low: $523 AUD|High: $6,534 AUD|Avg: $1,903 AUD|-11.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 13$523 AUD
Retailer 7$607 AUD
Retailer 6$649 AUD
Retailer 17$713 AUD
Retailer 2$860 AUD
Retailer 14$864 AUD
Retailer 15$1,034 AUD
Retailer 4$1,037 AUD
Retailer 16$1,101 AUD
Retailer 11$1,156 AUD
Retailer 3$1,606 AUD
Retailer 12$1,903 AUD
Retailer 5$2,086 AUD
Retailer 10$2,527 AUD
Rare Carat$3,121 AUD
Retailer 9$5,057 AUD
Retailer 8$6,534 AUD

10 data points across 17 retailers

15 retailers$523 AUD to $3,121 AUD

A
Cheapest Retailer
-
$523 AUD
A
Retailer 2
-
$607 AUD
View
A
Retailer 3
-
$649 AUD
View
A
Retailer 4
-
$713 AUD
View
A
Retailer 5
-
$860 AUD
View
A
Retailer 6
-
$864 AUD
View
Retailer 7
-
$1,034 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,037 AUD
View
A
Retailer 9
-
$1,101 AUD
View
A
Retailer 10
-
$1,156 AUD
View
B+
Retailer 11
-
$1,606 AUD
View
B+
Retailer 12
-
$1,903 AUD
View
B
Retailer 13
-
$2,086 AUD
View
B
Retailer 14
-
$2,527 AUD
View
Most Expensive
B
Rare Carat
KI7214437KF666 · Nov 4
$3,121 AUD
$2,185 USD
View
14 more retailers have this diamond
Prices start from $523 AUDSave up to $2,598 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
3.10ct Round
$523 AUD