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Round|Lab Grown|IGI

1.00ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG777601210

Shape and cutting style on the report: Round brilliant

Certificate IGI LG777601210

Diamond specifications and retailer prices

From $188 SGD
As of November 5, 2026
Save $899 SGD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,087 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG777601210 or 777601210. Listed at 12 retailers as of November 4, 2026, with prices from $188 to $1,087, a $899 spread on the same certified stone. MOH London lists it at $1,087. 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

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777601210
Dimensions6.48 × 6.43 × 3.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.48 mm6.43 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777601210
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,087 SGD|Low: $184 SGD|High: $1,303 SGD|Avg: $559 SGD|-2.3%
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
November 4, 2026
Retailer 11$188 SGD
Retailer 14$215 SGD
Retailer 12$218 SGD
Retailer 3$303 SGD
Retailer 4$351 SGD
Retailer 15$399 SGD
Retailer 13$430 SGD
Retailer 2$453 SGD
Retailer 6$470 SGD
Retailer 9$544 SGD
Retailer 10$750 SGD
Retailer 5$751 SGD
Retailer 8$792 SGD
MOH London$1,087 SGD
Retailer 7$1,303 SGD

22 data points across 15 retailers

12 retailers$188 SGD to $1,087 SGD

A
Cheapest Retailer
-
$188 SGD
Retailer 2
-
$192 SGD
View
Price last confirmed 45 days ago
A
Retailer 3
-
$215 SGD
View
Final sale: no returns
A
Retailer 4
-
$218 SGD
View
Retailer 5
-
$222 SGD
View
Price last confirmed 47 days ago
B+
Retailer 6
-
$430 SGD
View
Retailer 7
-
$453 SGD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$544 SGD
View
B
Retailer 9
-
$750 SGD
View
Retailer 10
-
$765 SGD
View
Price last confirmed 41 days ago
B
Retailer 11
-
$792 SGD
View
Most Expensive
B
MOH London
LG777601210 · Nov 4
$1,087 SGD
£670 GBP
View
11 more retailers have this diamond
Prices start from $188 SGDSave up to $899 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
1.00ct Round
$188 SGD