Oval|Lab Grown|IGI

1.59ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG770629662

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770629662

Diamond specifications and retailer prices

From $211 USD
As of October 29, 2026
Save $1,017 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,228 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG770629662 or 770629662. Listed at 20 retailers as of October 29, 2026, with prices from $211 to $1,228, a $1,017 spread on the same certified stone. Reve Diamonds lists it at $1,228. 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 angle36.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770629662
Dimensions9.68 × 6.60 × 4.00 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.68 mm6.60 mm1.59 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770629662
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.6%

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: $292 USD|Low: $202 USD|High: $1,280 USD|Avg: $599 USD|-0.2%
Retailer 1
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 14$211 USD
Retailer 10$235 USD
Retailer 5$245 USD
Retailer 3$261 USD
Retailer 1$292 USD
Retailer 9$425 USD
Retailer 7$483 USD
Retailer 11$545 USD
Retailer 6$550 USD
Retailer 13$678 USD
Retailer 12$925 USD
Retailer 8$1,053 USD
Retailer 4$1,174 USD
Retailer 2$1,210 USD

43 data points across 14 retailers

20 retailers$211 USD to $1,228 USD

A
Cheapest Retailer
-
$211 USD
A
Retailer 2
-
$235 USD
View
Final sale: no returns
A
Retailer 3
-
$245 USD
View
A
Retailer 4
-
$261 USD
View
A
Retailer 5
-
$292 USD
£230 GBP
View
A
Retailer 6
-
$294 USD
HK$2,300 HKD
View
B+
Retailer 7
-
$362 USD
View
A
Retailer 8
-
$425 USD
€405 EUR
View
A
Retailer 9
-
$483 USD
£380 GBP
View
B+
Retailer 10
-
$545 USD
A$838 AUD
View
B+
Retailer 11
-
$550 USD
View
B+
Retailer 12
-
$553 USD
View
B
Retailer 13
-
$678 USD
View
B
Retailer 14
-
$849 USD
SGD 1,147 SGD
View
B
Retailer 15
-
$893 USD
View
Retailer 16
-
$925 USD
View
Price last confirmed 11 days ago
B
Retailer 17
-
$1,053 USD
£829 GBP
View
B
Retailer 18
-
$1,174 USD
View
B
Retailer 19
-
$1,210 USD
View
Most Expensive
B
Reve Diamonds
4CAFE8869 · Oct 30
$1,228 USD
View
19 more retailers have this diamond
Prices start from $211 USDSave up to $1,017 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
$211 USD