CaratHunter
Plans
Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG839682997

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839682997

Diamond specifications and retailer prices

From $290 USD
As of October 29, 2026
Save $1,160 USD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,450 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG839682997 or 839682997. Listed at 10 retailers as of October 29, 2026, with prices from $290 to $1,450, a $1,160 spread on the same certified stone. MOH London lists it at $1,450. 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

1.51
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839682997
Dimensions9.54 × 6.34 × 4.02 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.54 mm6.34 mm1.51 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839682997
Side View
Table 62.0%Crown 32.2°Girdle: MED-STKPavilion 42.4°Culet: NoneDepth 63.4%

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: Oct 29
Current: $1,450 USD|Low: $360 USD|High: $1,450 USD|Avg: $714 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$360 USD
Retailer 2$402 USD
Retailer 6$515 USD
Retailer 7$524 USD
Retailer 8$591 USD
Retailer 3$637 USD
Retailer 5$1,106 USD
MOH London$1,450 USD

10 data points across 8 retailers

10 retailers$290 USD to $1,450 USD

A
Cheapest Retailer
-
$290 USD
A
Retailer 2
-
$360 USD
View
A
Retailer 3
-
$360 USD
View
A
Retailer 4
-
$402 USD
£316 GBP
View
B+
Retailer 5
-
$515 USD
View
B+
Retailer 6
-
$524 USD
View
B+
Retailer 7
-
$591 USD
View
B+
Retailer 8
-
$637 USD
£501 GBP
View
B
Retailer 9
-
$1,106 USD
View
Most Expensive
B
MOH London
LG839682997 · Oct 29
$1,450 USD
£1,142 GBP
View
9 more retailers have this diamond
Prices start from $290 USDSave up to $1,160 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
1.51ct Oval
$290 USD