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1.92ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG464181337

Shape and cutting style on the report: Round brilliant

Certificate IGI LG464181337

Diamond specifications and retailer prices

From $689 USD
£543 GBP
As of October 30, 2026
Save $20 USD (3%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $709 USD at Adiamor · As of October 29, 2026
View at Adiamor

About this 1.92ct lab-grown round diamond

This 1.92ct lab-grown round 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 LG464181337 or 464181337. Listed at 2 retailers as of October 29, 2026, with a relatively tight 3% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.92
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG464181337
Dimensions7.81 × 7.85 × 4.97 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
7.81 mm7.85 mm1.92 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG464181337
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $709 USD|Low: $434 USD|High: $711 USD|Avg: $595 USD|-0.3%
Adiamor
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$434 USD
Retailer 2$689 USD
Adiamor$709 USD

38 data points across 3 retailers

2 retailers$689 USD to $709 USD

B+
Cheapest Retailer
-
$689 USD
£543 GBP
Most Expensive
B+
Adiamor
D-80692402 · Oct 29
$709 USD
View
1 more retailer has this diamond
Prices start from $689 USDSave up to $20 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.

B+
1.92ct Round
$689 USD