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 $1,011 SGD
$791 USD
As of October 29, 2026
Save $3,410 SGD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,421 SGD at MOH London · As of October 29, 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 $1,011 to $4,421, a $3,410 spread on the same certified stone. MOH London lists it at $4,421. 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: $4,421 SGD|Low: $1,011 SGD|High: $12,639 SGD|Avg: $3,957 SGD
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
October 31, 2026
Retailer 13$1,011 SGD
Retailer 10$1,101 SGD
Retailer 17$1,174 SGD
Retailer 3$1,391 SGD
Retailer 14$1,400 SGD
Retailer 16$1,757 SGD
Retailer 2$1,778 SGD
Retailer 12$1,855 SGD
Retailer 15$1,866 SGD
Retailer 5$1,895 SGD
Retailer 11$2,789 SGD
Retailer 6$3,298 SGD
Retailer 4$3,991 SGD
MOH London$4,421 SGD
Retailer 8$7,523 SGD
Retailer 7$11,851 SGD
Retailer 9$12,639 SGD

4 data points across 17 retailers

14 retailers$1,011 SGD to $4,421 SGD

A
Cheapest Retailer
-
$1,011 SGD
$791 USD
A
Retailer 2
-
$1,101 SGD
$861 USD
View
A
Retailer 3
-
$1,174 SGD
$918 USD
View
A
Retailer 4
-
$1,391 SGD
HK$8,500 HKD
View
A
Retailer 5
-
$1,400 SGD
$1,095 USD
View
B+
Retailer 6
-
$1,757 SGD
$1,374 USD
View
A
Retailer 7
-
$1,778 SGD
£1,095 GBP
View
B+
Retailer 8
-
$1,855 SGD
£1,143 GBP
View
B+
Retailer 9
-
$1,866 SGD
€1,390 EUR
View
B+
Retailer 10
-
$1,895 SGD
$1,482 USD
View
B+
Retailer 11
-
$2,789 SGD
$2,182 USD
View
B
Retailer 12
-
$3,298 SGD
$2,580 USD
View
B
Retailer 13
-
$3,991 SGD
$3,122 USD
View
Most Expensive
B
MOH London
LG551208029 · Oct 29
$4,421 SGD
£2,723 GBP
View
13 more retailers have this diamond
Prices start from $1,011 SGDSave up to $3,410 SGD

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
$1,011 SGD