CaratHunter
Plans
Oval|Lab Grown|IGI

1.59ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG830686496

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG830686496

Diamond specifications and retailer prices

From $203 USD
As of October 29, 2026
Save $982 USD (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,185 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.59ct lab-grown oval diamond

This 1.59ct 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 top-tier cut grade and certified by IGI LG830686496 or 830686496. Listed at 8 retailers as of October 29, 2026, with prices from $203 to $1,185, a $982 spread on the same certified stone. MOH London lists it at $1,185. 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

1.59
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830686496
Dimensions9.15 × 6.69 × 4.17 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.15 mm6.69 mm1.59 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830686496
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

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: $1,185 USD|Low: $200 USD|High: $1,185 USD|Avg: $618 USD|+11.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4$203 USD
Retailer 2$236 USD
Retailer 7$282 USD
Retailer 5$425 USD
Retailer 8$586 USD
Retailer 6$810 USD
Retailer 3$813 USD
Retailer 9$1,046 USD
MOH London$1,185 USD

25 data points across 9 retailers

8 retailers$203 USD to $1,185 USD

A
Cheapest Retailer
-
$203 USD
A
Retailer 2
-
$236 USD
View
Retailer 3
-
$282 USD
£222 GBP
View
Price last confirmed 13 days ago
B+
Retailer 4
-
$586 USD
View
B+
Retailer 5
-
$810 USD
View
B+
Retailer 6
-
$813 USD
View
Retailer 7
-
$1,046 USD
SGD 1,414 SGD
View
Price last confirmed 18 days ago
Most Expensive
B
MOH London
LG830686496 · Oct 29
$1,185 USD
£933 GBP
View
7 more retailers have this diamond
Prices start from $203 USDSave up to $982 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
1.59ct Oval
$203 USD