CaratHunter
Plans
Round|Lab Grown|IGI

3.10ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG660419669

Shape and cutting style on the report: Round brilliant

Certificate IGI LG660419669

Diamond specifications and retailer prices

From $627 NZD
$352 USD
As of October 29, 2026
Save $2,516 NZD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,143 NZD at Rare Carat · As of October 28, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660419669 or 660419669. Listed at 13 retailers as of October 28, 2026, with prices from $627 to $3,143, a $2,516 spread on the same certified stone. Rare Carat lists it at $3,143. 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
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660419669
Dimensions9.42 × 9.39 × 5.73 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
9.42 mm9.39 mm3.10 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660419669
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.9%

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: $3,143 NZD|Low: $627 NZD|High: $7,596 NZD|Avg: $2,484 NZD|-13.2%
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
October 30, 2026
Retailer 9$627 NZD
Retailer 5$728 NZD
Retailer 4$778 NZD
Retailer 13$866 NZD
Retailer 2$1,237 NZD
Retailer 10$1,245 NZD
Retailer 15$1,250 NZD
Retailer 12$1,344 NZD
Retailer 8$1,396 NZD
Retailer 14$1,750 NZD
Retailer 3$2,500 NZD
Retailer 11$3,055 NZD
Rare Carat$3,143 NZD
Retailer 7$7,069 NZD
Retailer 6$7,596 NZD

4 data points across 15 retailers

13 retailers$627 NZD to $3,143 NZD

A
Cheapest Retailer
-
$627 NZD
$352 USD
A
Retailer 2
-
$728 NZD
$409 USD
View
A
Retailer 3
-
$778 NZD
$437 USD
View
A
Retailer 4
-
$866 NZD
HK$3,800 HKD
View
A
Retailer 5
-
$1,237 NZD
£547 GBP
View
A
Retailer 6
-
$1,245 NZD
€666 EUR
View
B+
Retailer 7
-
$1,250 NZD
$702 USD
View
A
Retailer 8
-
$1,344 NZD
$755 USD
View
A
Retailer 9
-
$1,396 NZD
£617 GBP
View
B+
Retailer 10
-
$1,750 NZD
$983 USD
View
B
Retailer 11
-
$2,500 NZD
$1,404 USD
View
B
Retailer 12
-
$3,055 NZD
£1,351 GBP
View
Most Expensive
B
Rare Carat
KI6694196KF660 · Oct 28
$3,143 NZD
$1,765 USD
View
12 more retailers have this diamond
Prices start from $627 NZDSave up to $2,516 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
3.10ct Round
$627 NZD