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Round|Lab Grown|IGI

1.29ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG728577513

Shape and cutting style on the report: Round brilliant

Certificate IGI LG728577513

Diamond specifications and retailer prices

From $277 SGD
$217 USD
As of October 30, 2026
Save $1,223 SGD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,553 SGD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG728577513 or 728577513. Listed at 21 retailers as of October 30, 2026, with a 441% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728577513
Dimensions7.00 × 6.97 × 4.29 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.00 mm6.97 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728577513
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
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 30
Current: $1,553 SGD|Low: $277 SGD|High: $1,566 SGD|Avg: $763 SGD|-0.8%
Rare Carat
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
October 30, 2026
Retailer 14$277 SGD
Retailer 6$325 SGD
Retailer 7$329 SGD
Retailer 11$428 SGD
Retailer 2$497 SGD
Retailer 9$527 SGD
Retailer 8$559 SGD
Retailer 3$625 SGD
Retailer 10$750 SGD
Retailer 4$911 SGD
Retailer 13$991 SGD
Retailer 5$1,056 SGD
Retailer 12$1,443 SGD
Retailer 15$1,500 SGD
Rare Carat$1,553 SGD

41 data points across 15 retailers

21 retailers$277 SGD to $1,500 SGD

Retailer 1
-
$238 SGD
$186 USD
Price last confirmed 22 days ago
Retailer 2
-
$265 SGD
$207 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$277 SGD
$217 USD
View
Final sale: no returns
Retailer 4
-
$307 SGD
$240 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$307 SGD
$240 USD
View
Price last confirmed 28 days ago
Retailer 6
-
$307 SGD
$240 USD
View
Price last confirmed 22 days ago
Retailer 7
-
$325 SGD
$254 USD
View
Price last confirmed 38 days ago
B+
Retailer 8
-
$428 SGD
$335 USD
View
A
Retailer 9
-
$497 SGD
£306 GBP
View
A
Retailer 10
-
$527 SGD
ZAR 6,665 ZAR
View
A
Retailer 11
-
$559 SGD
£344 GBP
View
A
Retailer 12
-
$625 SGD
$489 USD
View
A
Retailer 13
-
$750 SGD
A$902 AUD
View
A
Retailer 14
-
$911 SGD
$713 USD
View
Retailer 15
-
$987 SGD
$772 USD
View
Price last confirmed 26 days ago
A
Retailer 16
-
$991 SGD
$775 USD
View
Retailer 17
-
$1,056 SGD
$826 USD
View
Price last confirmed 39 days ago
B+
Retailer 18
-
$1,056 SGD
$826 USD
View
B+
Retailer 19
-
$1,443 SGD
£889 GBP
View
B+
Retailer 20
-
$1,500 SGD
$1,174 USD
View
Most Expensive
Rare Carat
GD17591_l_728577513 · Oct 18
$1,553 SGD
$1,215 USD
View
Price last confirmed 12 days ago
20 more retailers have this diamond
Prices start from $277 SGDSave up to $1,223 SGD

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
1.29ct Round
$277 SGD