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Round|Lab Grown|IGI

0.90ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG510193105

Shape and cutting style on the report: Round brilliant

Certificate IGI LG510193105

Diamond specifications and retailer prices

From $209 USD
As of October 26, 2026
Save $1,013 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,222 USD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 0.9ct lab-grown round diamond

This 0.9ct lab-grown round sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG510193105 or 510193105. Listed at 18 retailers as of October 26, 2026, with prices from $209 to $1,222, a $1,013 spread on the same certified stone. Reve Diamonds lists it at $1,222. 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

0.90
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510193105
Dimensions6.14 × 6.18 × 3.84 mm
L/W Ratio1.01
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
6.14 mm6.18 mm0.90 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510193105
Side View
Table 55.0%Crown 36.5°Girdle: MediumPavilion 40.2°Culet: NoneDepth 62.3%

Caratlytics Score

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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 26
Current: $477 USD|Low: $201 USD|High: $1,052 USD|Avg: $454 USD|+6.5%
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 29, 2026
Retailer 12$209 USD
Retailer 6$234 USD
Retailer 11$242 USD
Retailer 3$259 USD
Retailer 10$259 USD
Retailer 2$291 USD
Retailer 7$439 USD
Retailer 4$446 USD
Retailer 1$477 USD
Retailer 5$490 USD
Retailer 8$500 USD
Retailer 9$833 USD
Retailer 14$836 USD
Retailer 13$1,044 USD

42 data points across 14 retailers

18 retailers$209 USD to $1,222 USD

A
Cheapest Retailer
-
$209 USD
A
Retailer 2
-
$234 USD
View
Final sale: no returns
A
Retailer 3
-
$242 USD
View
A
Retailer 4
-
$259 USD
View
A
Retailer 5
-
$259 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$291 USD
View
A
Retailer 7
-
$294 USD
HK$2,300 HKD
View
B+
Retailer 8
-
$439 USD
€418 EUR
View
B+
Retailer 9
-
$446 USD
View
B+
Retailer 10
-
$477 USD
£376 GBP
View
B
Retailer 11
-
$490 USD
View
B+
Retailer 12
-
$500 USD
£394 GBP
View
B
Retailer 13
-
$702 USD
SGD 949 SGD
View
B
Retailer 14
-
$833 USD
View
B
Retailer 15
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$836 USD
View
B
Retailer 16
-
$886 USD
View
B
Retailer 17
-
$1,044 USD
£822 GBP
View
Most Expensive
B
Reve Diamonds
073C2E15C · Oct 28
$1,222 USD
View
17 more retailers have this diamond
Prices start from $209 USDSave up to $1,013 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
0.90ct Round
$209 USD