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Round|Lab Grown|IGI

6.00ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG810639706

Shape and cutting style on the report: Round brilliant

Certificate IGI LG810639706

Diamond specifications and retailer prices

From $1,400 NZD
$789 USD
As of October 26, 2026
Save $5,520 NZD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,920 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6ct lab-grown round diamond

This 6ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG810639706 or 810639706. Listed at 17 retailers as of October 26, 2026, with prices from $1,400 to $6,920, a $5,520 spread on the same certified stone. Brilliant Earth lists it at $6,920. 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

6.00
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810639706
Dimensions11.52 × 11.61 × 7.08 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.52 mm11.61 mm6.00 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810639706
Side View
Table 61.0%Crown 35.2°Girdle: Slightly ThickPavilion 40.5°Culet: NoneDepth 61.2%

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 26
Current: $6,920 NZD|Low: $1,359 NZD|High: $6,920 NZD|Avg: $3,405 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
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 17$1,400 NZD
Retailer 8$1,522 NZD
Retailer 9$1,565 NZD
Retailer 5$1,623 NZD
Retailer 2$1,885 NZD
Retailer 4$1,934 NZD
Retailer 6$2,358 NZD
Retailer 11$2,463 NZD
Retailer 15$2,466 NZD
Retailer 14$2,567 NZD
Retailer 18$2,621 NZD
Retailer 13$3,471 NZD
Retailer 7$4,563 NZD
Retailer 3$4,588 NZD
Retailer 12$5,458 NZD
Retailer 10$5,829 NZD
Retailer 16$6,093 NZD
Brilliant Earth$6,920 NZD

35 data points across 18 retailers

17 retailers$1,400 NZD to $6,920 NZD

A
Cheapest Retailer
-
$1,400 NZD
$789 USD
Retailer 2
-
$1,522 NZD
$858 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$1,623 NZD
$915 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$1,885 NZD
HK$8,300 HKD
View
A
Retailer 5
-
$1,934 NZD
$1,090 USD
View
B+
Retailer 6
-
$2,358 NZD
$1,329 USD
View
B+
Retailer 7
-
$2,463 NZD
€1,322 EUR
View
B+
Retailer 8
-
$2,466 NZD
£1,094 GBP
View
B+
Retailer 9
-
$2,567 NZD
£1,139 GBP
View
B+
Retailer 10
-
$2,621 NZD
$1,477 USD
View
B+
Retailer 11
-
$3,471 NZD
$1,956 USD
View
Retailer 12
-
$4,563 NZD
$2,572 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$4,588 NZD
$2,586 USD
View
B
Retailer 14
-
$5,458 NZD
SGD 4,157 SGD
View
Retailer 15
-
$5,829 NZD
$3,285 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$6,093 NZD
£2,704 GBP
View
Most Expensive
B
Brilliant Earth
20250429A · Oct 31
$6,920 NZD
$3,900 USD
View
16 more retailers have this diamond
Prices start from $1,400 NZDSave up to $5,520 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
6.00ct Round
$1,400 NZD