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Emerald|Lab Grown|IGI

1.27ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG508156174

Shape and cutting style on the report: Emerald cut

Certificate IGI LG508156174

Diamond specifications and retailer prices

From $1,000 AUD
As of November 6, 2026
Save $2,131 AUD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,042 AUD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.27ct lab-grown emerald diamond

This 1.27ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508156174 or 508156174. Listed at 13 retailers as of November 4, 2026, with a 213% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.27
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle26.9°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156174
Dimensions7.56 × 5.12 × 3.23 mm
L/W Ratio1.48
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.56 mm5.12 mm1.27 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG508156174
Side View
Table 64.0%Crown 26.9°Girdle: MediumPavilion 35°Culet: LNGDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,000 AUD|Low: $1,000 AUD|High: $5,003 AUD|Avg: $2,057 AUD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6$1,000 AUD
Retailer 9$1,136 AUD
Retailer 3$1,236 AUD
Retailer 4$1,270 AUD
Retailer 2$1,317 AUD
Retailer 10$1,317 AUD
Retailer 7$1,571 AUD
Retailer 1$2,000 AUD
Retailer 11$2,126 AUD
Retailer 8$3,131 AUD
Retailer 12$3,703 AUD
Retailer 5$4,923 AUD

45 data points across 12 retailers

13 retailers$1,000 AUD to $3,131 AUD

B+
Cheapest Retailer
-
$1,000 AUD
B
Retailer 2
-
$1,136 AUD
View
B
Retailer 3
-
$1,236 AUD
View
B
Retailer 4
-
$1,270 AUD
View
Final sale: no returns
B
Retailer 5
-
$1,317 AUD
View
Retailer 6
-
$1,317 AUD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$1,571 AUD
View
B
Retailer 8
-
$2,000 AUD
View
B
Retailer 9
-
$2,126 AUD
View
B
Retailer 10
-
$3,131 AUD
View
Retailer 11
-
$3,703 AUD
View
Price under review
Most Expensive
Reve Diamonds
026933AEC · Nov 6
$4,042 AUD
$2,829 USD
View
Price under review
11 more retailers have this diamond
Prices start from $1,000 AUDSave up to $2,131 AUD

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+
1.27ct Emerald
$1,000 AUD