CaratHunter
Plans
Emerald|Lab Grown|IGI

0.51ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG758555865

Shape and cutting style on the report: Emerald cut

Certificate IGI LG758555865

Diamond specifications and retailer prices

From $153 SGD
$120 USD
As of November 1, 2026
Save $529 SGD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,585 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct lab-grown emerald diamond

This 0.51ct lab-grown emerald sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG758555865 or 758555865. Listed at 14 retailers as of October 31, 2026, with a 345% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.51
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758555865
Dimensions5.34 × 3.71 × 2.63 mm
L/W Ratio1.44
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.34 mm3.71 mm0.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG758555865
Side View
Table 64.0%Crown 37.5°Girdle: ThickPavilion 40.7°Culet: LargeDepth 70.9%

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: Nov 1
Current: $1,585 SGD|Low: $147 SGD|High: $1,602 SGD|Avg: $448 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
November 1, 2026
Retailer 10$153 SGD
Retailer 4$178 SGD
Retailer 3$202 SGD
Retailer 12$202 SGD
Retailer 11$268 SGD
Retailer 8$275 SGD
Retailer 6$320 SGD
Retailer 7$342 SGD
Retailer 2$390 SGD
Retailer 5$578 SGD
Retailer 13$610 SGD
Retailer 9$680 SGD
MOH London$1,585 SGD

45 data points across 13 retailers

14 retailers$153 SGD to $683 SGD

A
Cheapest Retailer
-
$153 SGD
$120 USD
A
Retailer 2
-
$178 SGD
$139 USD
View
B+
Retailer 3
-
$202 SGD
$158 USD
View
Retailer 4
-
$202 SGD
$158 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$268 SGD
$210 USD
View
B+
Retailer 6
-
$320 SGD
$250 USD
View
B+
Retailer 7
-
$342 SGD
€255 EUR
View
B
Retailer 8
-
$390 SGD
£240 GBP
View
B
Retailer 9
-
$533 SGD
View
B
Retailer 10
-
$578 SGD
$452 USD
View
B
Retailer 11
-
$610 SGD
$477 USD
View
B
Retailer 12
-
$680 SGD
$532 USD
View
B
Retailer 13
-
$683 SGD
$534 USD
View
Most Expensive
MOH London
LG758555865 · Nov 1
$1,585 SGD
£976 GBP
View
Price under review
13 more retailers have this diamond
Prices start from $153 SGDSave up to $529 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
0.51ct Emerald
$153 SGD