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Oval|Lab Grown|IGI

1.50ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG803656273

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG803656273

Diamond specifications and retailer prices

From $223 USD
As of October 29, 2026
Save $1,045 USD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,268 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.5ct lab-grown oval diamond

This 1.5ct 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 LG803656273 or 803656273. Listed at 15 retailers as of October 29, 2026, with prices from $223 to $1,268, a $1,045 spread on the same certified stone. Reve Diamonds lists it at $1,268. 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

1.50
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803656273
Dimensions8.86 × 6.37 × 4.10 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
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
8.86 mm6.37 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803656273
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 64.4%

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: $473 USD|Low: $182 USD|High: $1,268 USD|Avg: $690 USD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 30, 2026
Retailer 5$223 USD
Retailer 3$295 USD
Retailer 8$441 USD
Retailer 1$473 USD
Retailer 10$493 USD
Retailer 4$516 USD
Retailer 9$711 USD
Retailer 6$943 USD
Retailer 7$1,082 USD
Retailer 2$1,160 USD
Reve Diamonds$1,268 USD

44 data points across 11 retailers

15 retailers$223 USD to $1,268 USD

A
Cheapest Retailer
-
$223 USD
A
Retailer 2
-
$251 USD
View
A
Retailer 3
-
$269 USD
View
A
Retailer 4
-
$269 USD
View
A
Retailer 5
-
$295 USD
View
Final sale: no returns
A
Retailer 6
-
$441 USD
€420 EUR
View
A
Retailer 7
-
$473 USD
View
A
Retailer 8
-
$493 USD
View
A
Retailer 9
-
$516 USD
£406 GBP
View
B+
Retailer 10
-
$711 USD
View
B+
Retailer 11
-
$864 USD
View
B
Retailer 12
-
$943 USD
View
B
Retailer 13
-
$1,082 USD
£852 GBP
View
B
Retailer 14
-
$1,160 USD
View
Most Expensive
B
Reve Diamonds
0CA528506 · Oct 30
$1,268 USD
View
14 more retailers have this diamond
Prices start from $223 USDSave up to $1,045 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
1.50ct Oval
$223 USD