CaratHunter
Plans
Round|Lab Grown|GIA

1.38ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 6395631458

Certificate GIA 6395631458

Diamond specifications and retailer prices

From $861 USD
As of October 29, 2026
Save $308 USD (26%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,169 USD at GemTrove · As of October 31, 2026
View at GemTrove

About this 1.38ct lab-grown round diamond

This 1.38ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6395631458. Listed at 2 retailers as of October 29, 2026, with prices from $861 to $1,169, a $308 spread on the same certified stone. GemTrove lists it at $1,169. 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

1.38
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 6395631458
Dimensions7.18 × 7.17 × 4.40 mm
L/W Ratio1.00
Star length45%
Lower girdle75%
Top View
7.18 mm7.17 mm1.38 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6395631458
Side View
Table 55.0%Crown 34°GirdlePavilion 40.6°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,169 USD|Low: $861 USD|High: $1,169 USD|Avg: $988 USD
GemTrove
Retailer 2
September 9, 2026
Retailer 2$861 USD
GemTrove$1,169 USD

8 data points across 2 retailers

2 retailers$861 USD to $1,169 USD

B
Cheapest Retailer
-
$861 USD
Most Expensive
B
GemTrove
GT-L-01016174-98 · Oct 31
$1,169 USD
A$1,798 AUD
View
1 more retailer has this diamond
Prices start from $861 USDSave up to $308 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
1.38ct Round
$861 USD