Emerald|Lab Grown|IGI

0.51ct D VS1 Emerald Lab Grown Diamond

VG • D/VS1 • IGI LG837659979

Shape and cutting style on the report: Emerald cut

Certificate IGI LG837659979

Diamond specifications and retailer prices

From $94 USD
As of October 27, 2026
Save $766 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $860 USD at MOH London · As of October 25, 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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG837659979 or 837659979. Listed at 18 retailers as of October 25, 2026, with prices from $94 to $860, a $766 spread on the same certified stone. MOH London lists it at $860. 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

0.51
Carat
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.6°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837659979
Dimensions5.25 × 3.73 × 2.58 mm
L/W Ratio1.41
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
5.25 mm3.73 mm0.51 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG837659979
Side View
Table 70.0%Crown 36.6°Girdle: Slightly ThickPavilion 33°Culet: LargeDepth 69.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $860 USD|Low: $94 USD|High: $862 USD|Avg: $314 USD|-0.3%
MOH London
Retailer 2
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Retailer 17
October 29, 2026
Retailer 8$94 USD
Retailer 4$105 USD
Retailer 6$124 USD
Retailer 16$124 USD
Retailer 15$158 USD
Retailer 12$211 USD
Retailer 10$217 USD
Retailer 2$220 USD
Retailer 14$225 USD
Retailer 11$282 USD
Retailer 17$320 USD
Retailer 3$349 USD
Retailer 7$376 USD
Retailer 13$419 USD
Retailer 9$435 USD
Retailer 5$856 USD
MOH London$860 USD

15 data points across 17 retailers

18 retailers$94 USD to $860 USD

A
Cheapest Retailer
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$94 USD
A
Retailer 2
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$105 USD
View
Final sale: no returns
A
Retailer 3
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$124 USD
View
A
Retailer 4
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$124 USD
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A
Retailer 5
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$158 USD
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A
Retailer 6
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$211 USD
ZAR 3,409 ZAR
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A
Retailer 7
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$217 USD
€207 EUR
View
B+
Retailer 8
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$220 USD
£174 GBP
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B+
Retailer 9
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$225 USD
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B+
Retailer 10
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$282 USD
£222 GBP
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B+
Retailer 11
-
$300 USD
View
B
Retailer 12
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$320 USD
View
B+
Retailer 13
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$349 USD
View
B
Retailer 14
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$376 USD
View
B
Retailer 15
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$419 USD
View
B
Retailer 16
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$435 USD
View
B
Retailer 17
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$856 USD
View
Most Expensive
B
MOH London
LG837659979 · Oct 25
$860 USD
£677 GBP
View
17 more retailers have this diamond
Prices start from $94 USDSave up to $766 USD

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
$94 USD