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Round|Lab Grown|IGI

1.00ct E SI2 Round Lab Grown Diamond

VG • E/SI2 • IGI LG407942412

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407942412

Diamond specifications and retailer prices

From $173 SGD
$135 USD
As of October 29, 2026
Save $1,626 SGD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,799 SGD at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG407942412 or 407942412. Listed at 14 retailers as of October 29, 2026, with prices from $173 to $1,799, a $1,626 spread on the same certified stone. MOH London lists it at $1,799. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407942412
Dimensions6.39 × 6.35 × 3.87 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by high pressure high temperature process (HPHT) Type II
Top View
6.39 mm6.35 mm1.00 ctE / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407942412
Side View
Table 57.0%Crown 32°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 60.6%

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: Oct 29
Current: $1,799 SGD|Low: $138 SGD|High: $1,810 SGD|Avg: $525 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 5$173 SGD
Retailer 8$195 SGD
Retailer 6$285 SGD
Retailer 2$361 SGD
Retailer 3$380 SGD
Retailer 9$415 SGD
Retailer 7$529 SGD
Retailer 4$728 SGD
MOH London$1,799 SGD

40 data points across 9 retailers

14 retailers$173 SGD to $1,799 SGD

A
Cheapest Retailer
-
$173 SGD
$135 USD
A
Retailer 2
-
$195 SGD
$152 USD
View
Final sale: no returns
A
Retailer 3
-
$200 SGD
$156 USD
View
B+
Retailer 4
-
$214 SGD
$167 USD
View
B+
Retailer 5
-
$214 SGD
$167 USD
View
B+
Retailer 6
-
$246 SGD
HK$1,500 HKD
View
B+
Retailer 7
-
$285 SGD
$222 USD
View
B+
Retailer 8
-
$361 SGD
£222 GBP
View
B+
Retailer 9
-
$380 SGD
€282 EUR
View
B+
Retailer 10
-
$415 SGD
$324 USD
View
B
Retailer 11
-
$529 SGD
$413 USD
View
B
Retailer 12
-
$690 SGD
$538 USD
View
B
Retailer 13
-
$728 SGD
$568 USD
View
Most Expensive
B
MOH London
LG407942412 · Oct 29
$1,799 SGD
£1,105 GBP
View
13 more retailers have this diamond
Prices start from $173 SGDSave up to $1,626 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
$173 SGD