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Emerald|Lab Grown|IGI

0.51ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG674550365

Shape and cutting style on the report: Emerald cut

Certificate IGI LG674550365

Diamond specifications and retailer prices

From $134 SGD
$105 USD
As of October 29, 2026
Save $1,264 SGD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,398 SGD at MOH London · As of October 29, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG674550365 or 674550365. Listed at 14 retailers as of October 29, 2026, with prices from $134 to $1,398, a $1,264 spread on the same certified stone. MOH London lists it at $1,398. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674550365
Dimensions5.55 × 3.84 × 2.48 mm
L/W Ratio1.45
Culet sizeLarge
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
5.55 mm3.84 mm0.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674550365
Side View
Table 59.0%Crown 32.3°Girdle: MediumPavilion 38.1°Culet: LargeDepth 64.6%

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: $1,398 SGD|Low: $129 SGD|High: $1,408 SGD|Avg: $398 SGD|+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
October 30, 2026
Retailer 12$134 SGD
Retailer 3$156 SGD
Retailer 11$178 SGD
Retailer 13$178 SGD
Retailer 4$294 SGD
Retailer 2$328 SGD
Retailer 10$334 SGD
Retailer 5$335 SGD
Retailer 7$402 SGD
Retailer 6$462 SGD
Retailer 8$486 SGD
Retailer 14$536 SGD
Retailer 9$597 SGD
MOH London$1,398 SGD

45 data points across 14 retailers

14 retailers$134 SGD to $1,398 SGD

A
Cheapest Retailer
-
$134 SGD
$105 USD
A
Retailer 2
-
$156 SGD
$122 USD
View
A
Retailer 3
-
$178 SGD
$139 USD
View
A
Retailer 4
-
$178 SGD
$139 USD
View
Retailer 5
-
$294 SGD
$230 USD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
$328 SGD
£202 GBP
View
B+
Retailer 7
-
$334 SGD
€249 EUR
View
B+
Retailer 8
-
$335 SGD
$262 USD
View
B+
Retailer 9
-
$402 SGD
£248 GBP
View
B
Retailer 10
-
$462 SGD
$361 USD
View
B
Retailer 11
-
$486 SGD
$380 USD
View
B
Retailer 12
-
$536 SGD
$419 USD
View
B
Retailer 13
-
$597 SGD
$467 USD
View
Most Expensive
B
MOH London
LG674550365 · Oct 29
$1,398 SGD
£861 GBP
View
13 more retailers have this diamond
Prices start from $134 SGDSave up to $1,264 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
$134 SGD