CaratHunter
Plans
Round|Lab Grown|IGI

6.70ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG551208029

Shape and cutting style on the report: Round brilliant

Certificate IGI LG551208029

Diamond specifications and retailer prices

From $1,403 NZD
$791 USD
As of October 29, 2026
Save $4,699 NZD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,102 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 6.7ct lab-grown round diamond

This 6.7ct 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 LG551208029 or 551208029. Listed at 14 retailers as of October 29, 2026, with prices from $1,403 to $6,102, a $4,699 spread on the same certified stone. MOH London lists it at $6,102. 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

6.70
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG551208029
Dimensions12.13 × 12.07 × 7.43 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.13 mm12.07 mm6.70 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG551208029
Side View
Table 57.5%Crown 34.7°Girdle: MediumPavilion 40.9°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: Oct 29
Current: $6,102 NZD|Low: $1,403 NZD|High: $17,542 NZD|Avg: $5,389 NZD|-0.6%
MOH London
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 1, 2026
Retailer 13$1,403 NZD
Retailer 11$1,528 NZD
Retailer 17$1,629 NZD
Retailer 3$1,930 NZD
Retailer 14$1,943 NZD
Retailer 16$2,438 NZD
Retailer 10$2,468 NZD
Retailer 2$2,567 NZD
Retailer 15$2,590 NZD
Retailer 5$2,630 NZD
Retailer 12$3,872 NZD
Retailer 6$4,578 NZD
Retailer 4$5,539 NZD
MOH London$6,102 NZD
Retailer 8$10,441 NZD
Retailer 7$16,448 NZD
Retailer 9$17,542 NZD

5 data points across 17 retailers

14 retailers$1,403 NZD to $6,102 NZD

A
Cheapest Retailer
-
$1,403 NZD
$791 USD
A
Retailer 2
-
$1,528 NZD
$861 USD
View
A
Retailer 3
-
$1,629 NZD
$918 USD
View
A
Retailer 4
-
$1,930 NZD
HK$8,500 HKD
View
A
Retailer 5
-
$1,943 NZD
$1,095 USD
View
B+
Retailer 6
-
$2,438 NZD
$1,374 USD
View
A
Retailer 7
-
$2,468 NZD
£1,095 GBP
View
B+
Retailer 8
-
$2,567 NZD
£1,139 GBP
View
B+
Retailer 9
-
$2,590 NZD
€1,390 EUR
View
B+
Retailer 10
-
$2,630 NZD
$1,482 USD
View
B+
Retailer 11
-
$3,872 NZD
$2,182 USD
View
B
Retailer 12
-
$4,578 NZD
$2,580 USD
View
B
Retailer 13
-
$5,539 NZD
$3,122 USD
View
Most Expensive
B
MOH London
LG551208029 · Nov 1
$6,102 NZD
£2,708 GBP
View
13 more retailers have this diamond
Prices start from $1,403 NZDSave up to $4,699 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
6.70ct Round
$1,403 NZD