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Emerald|Lab Grown|GIA

1.43ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • GIA 2506534944

Certificate GIA 2506534944

Diamond specifications and retailer prices

From $253 USD
As of October 30, 2026
Save $1,387 USD (85%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,640 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.43ct lab-grown emerald diamond

This 1.43ct lab-grown emerald 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 stated by the retailer rather than the lab and certified by GIA 2506534944. Listed at 6 retailers as of October 29, 2026, with prices from $253 to $1,640, a $1,387 spread on the same certified stone. Brilliant Earth lists it at $1,640. 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

1.43
Carat
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2506534944
Dimensions7.95 × 5.21 × 3.57 mm
L/W Ratio1.53
Girdle conditionPolished
Cert comments
This is a man-made diamond.
Key to symbols
Growth Remnant
Top View
7.95 mm5.21 mm1.43 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2506534944
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,640 USD|Low: $248 USD|High: $1,690 USD|Avg: $780 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 5$253 USD
Retailer 4$293 USD
Retailer 2$314 USD
Retailer 6$1,025 USD
Retailer 3$1,113 USD
Brilliant Earth$1,640 USD

22 data points across 6 retailers

6 retailers$253 USD to $1,640 USD

A
Cheapest Retailer
-
$253 USD
A
Retailer 2
-
$293 USD
View
A
Retailer 3
-
$314 USD
View
B
Retailer 4
-
$1,025 USD
View
B
Retailer 5
-
$1,113 USD
View
Most Expensive
B
Brilliant Earth
11845696Y · Oct 29
$1,640 USD
View
5 more retailers have this diamond
Prices start from $253 USDSave up to $1,387 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
1.43ct Emerald
$253 USD