CaratHunter
Plans
Oval|Lab Grown|IGI

1.27ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG447000617

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447000617

Diamond specifications and retailer prices

From $913 AUD
$641 USD
As of October 29, 2026
Save $3,573 AUD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,486 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.27ct lab-grown oval diamond

This 1.27ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447000617 or 447000617. Listed at 11 retailers as of October 29, 2026, with prices from $913 to $4,486, a $3,573 spread on the same certified stone. MOH London lists it at $4,486. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000617
Dimensions8.41 × 6.19 × 3.86 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
8.41 mm6.19 mm1.27 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447000617
Side View
Table 60.0%Crown 35.5°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 62.4%

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: Oct 29
Current: $4,486 AUD|Low: $877 AUD|High: $4,516 AUD|Avg: $1,878 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 8$913 AUD
Retailer 12$994 AUD
Retailer 13$1,022 AUD
Retailer 3$1,059 AUD
Retailer 9$1,059 AUD
Retailer 7$1,310 AUD
Retailer 2$1,607 AUD
Retailer 4$1,721 AUD
Retailer 10$1,730 AUD
Retailer 6$2,706 AUD
Retailer 11$2,978 AUD
Retailer 5$3,034 AUD
MOH London$4,486 AUD

37 data points across 13 retailers

11 retailers$913 AUD to $4,486 AUD

B+
Cheapest Retailer
-
$913 AUD
$641 USD
B+
Retailer 2
-
$994 AUD
$698 USD
View
B+
Retailer 3
-
$1,022 AUD
$718 USD
View
Final sale: no returns
Retailer 4
-
$1,059 AUD
$744 USD
View
Price last confirmed 16 days ago
B+
Retailer 5
-
$1,059 AUD
$744 USD
View
B+
Retailer 6
-
$1,310 AUD
$920 USD
View
B
Retailer 7
-
$1,607 AUD
£889 GBP
View
B
Retailer 8
-
$1,730 AUD
$1,215 USD
View
B
Retailer 9
-
$2,706 AUD
$1,901 USD
View
B
Retailer 10
-
$2,978 AUD
$2,092 USD
View
Most Expensive
B
MOH London
LG447000617 · Oct 29
$4,486 AUD
£2,481 GBP
View
10 more retailers have this diamond
Prices start from $913 AUDSave up to $3,573 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 Oval
$913 AUD