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Oval|Lab Grown|IGI

12.83ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG573313066

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG573313066

Diamond specifications and retailer prices

From ₹1,96,645 INR
£1,631 GBP
As of October 27, 2026
Save ₹15,60,879 INR (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: ₹17,57,525 INR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.83ct lab-grown oval diamond

This 12.83ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG573313066 or 573313066. Listed at 12 retailers as of October 27, 2026, with prices from ₹1,96,645 to ₹17,57,525, a ₹15,60,879 spread on the same certified stone. Brilliant Earth lists it at ₹17,57,525. 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

12.83
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG573313066
Dimensions19.20 × 13.12 × 8.20 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
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
19.20 mm13.12 mm12.83 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG573313066
Side View
Table 59.5%Crown 36.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: ₹19,07,546 INR|Low: ₹1,96,645 INR|High: ₹21,71,634 INR|Avg: ₹10,28,628 INR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 16₹1,96,645 INR
Retailer 12₹2,77,159 INR
Retailer 17₹3,48,941 INR
Retailer 7₹3,81,623 INR
Retailer 11₹4,09,875 INR
Retailer 13₹4,20,534 INR
Retailer 6₹4,20,913 INR
Retailer 5₹5,03,373 INR
Retailer 2₹5,63,054 INR
Retailer 4₹6,08,071 INR
Retailer 18₹8,33,091 INR
Retailer 14₹10,66,273 INR
Retailer 3₹11,79,184 INR
Retailer 15₹13,11,260 INR
Brilliant Earth₹19,07,546 INR
Retailer 8₹20,09,142 INR
Retailer 10₹20,09,142 INR
Retailer 9₹21,71,634 INR

11 data points across 18 retailers

12 retailers₹1,96,645 INR to ₹17,57,525 INR

A
Cheapest Retailer
-
₹1,96,645 INR
£1,631 GBP
A
Retailer 2
-
₹2,77,159 INR
$2,919 USD
View
B+
Retailer 3
-
₹3,48,941 INR
$3,675 USD
View
B
Retailer 4
-
₹4,09,875 INR
£3,399 GBP
View
B
Retailer 5
-
₹4,20,534 INR
$4,429 USD
View
B
Retailer 6
-
₹5,63,054 INR
$5,930 USD
View
B
Retailer 7
-
₹6,08,071 INR
$6,404 USD
View
B
Retailer 8
-
₹8,33,091 INR
$8,774 USD
View
B
Retailer 9
-
₹10,66,273 INR
$11,230 USD
View
B
Retailer 10
-
₹11,79,184 INR
$12,419 USD
View
B
Retailer 11
-
₹13,11,260 INR
$13,810 USD
View
Most Expensive
B
Brilliant Earth
22301618A · Oct 31
₹17,57,525 INR
$18,510 USD
View
11 more retailers have this diamond
Prices start from ₹1,96,645 INRSave up to ₹15,60,879 INR

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
12.83ct Oval
₹1,96,645 INR