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1.90ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 6237056730

Certificate GIA 6237056730

Diamond specifications and retailer prices

From $1,444 NZD
$814 USD
As of October 30, 2026
Save $1,728 NZD (54%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,173 NZD at Yorxs · As of October 31, 2026
View at Yorxs

About this 1.9ct lab-grown round diamond

This 1.9ct 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 GIA 6237056730. Listed at 2 retailers as of October 30, 2026, with prices from $1,444 to $3,173, a $1,728 spread on the same certified stone. Yorxs lists it at $3,173. 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

1.90
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6237056730
Dimensions7.97 × 7.99 × 4.87 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.97 mm7.99 mm1.90 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237056730
Side View
Table 58.0%Crown 34°GirdlePavilion 40.8°Culet: NoneDepth 61.0%

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: $1,444 NZD|Low: $1,444 NZD|High: $3,184 NZD|Avg: $2,299 NZD
Retailer 1
Yorxs
October 31, 2026
Retailer 1$1,444 NZD
Yorxs$3,173 NZD

15 data points across 2 retailers

2 retailers$1,444 NZD to $3,173 NZD

B+
Cheapest Retailer
-
$1,444 NZD
$814 USD
Final sale: no returns
Most Expensive
B
Yorxs
358148208 · Oct 31
$3,173 NZD
€1,703 EUR
View
1 more retailer has this diamond
Prices start from $1,444 NZDSave up to $1,728 NZD

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+
1.90ct Round
$1,444 NZD