K Colour

Live pricing and availability for K colour diamonds across natural and lab-grown origins.

Total listings
401,264
Natural median (INR)
₹1,42,556/ct
Lab-grown median (INR)
₹1,43,067/ct

What K Colour Means for Buyers

K sits on the GIA colour scale that runs from D (colourless) at the top through to Z (faint yellow or brown). The higher up you go toward D, the rarer the stone and the steeper the price curve. But a huge number of buyers never tell the difference between two adjacent grades in a finished ring, especially once the diamond is mounted in yellow or rose gold.

Right now we're tracking 401,264 active K colour listings across our retailer network. The typical natural K diamond trades around ₹1,42,556/ct while the lab-grown equivalent sits at ₹1,43,067/ct. Roughly a -0% gap that reflects the broader natural-vs-lab pricing gap, not a quality difference at this grade.

K shows up most often in ROUND. About 225,016 listings at this moment. Followed by OVAL. Most of the supply clusters around the 0.5-0.99ct carat range, where demand is strongest and retailers keep the deepest inventory. If you're shopping an unusual shape or carat, expect thinner selection.

For most engagement-ring buyers, the practical sweet spot for colour is G or H. Colourless-appearing face-up, still a near-colourless grade on paper, and priced 30 to 50% below the D-E tier. If you're setting the stone in yellow or rose gold, you can comfortably go down to I or J without the stone looking warm. Save the money for a better cut grade; cut drives sparkle far more than the last step of colour.

Breakdown by Shape

ShapeOriginListingsMedian (INR)
ROUNDnatural225,016₹1,33,961/ct
OVALnatural38,203₹1,66,583/ct
PEARnatural28,782₹1,47,910/ct
EMERALDnatural28,079₹1,71,111/ct
ROUNDlab grown21,536₹1,40,917/ct
PRINCESSnatural14,221₹1,46,667/ct
CUSHIONnatural13,814₹1,71,623/ct
HEARTnatural7,080₹1,34,056/ct
MARQUISEnatural6,970₹1,52,988/ct
RADIANTnatural5,848₹1,58,782/ct
ASSCHERnatural4,513₹1,45,833/ct
OVALlab grown2,408₹1,66,746/ct
PRINCESSlab grown1,063₹1,47,184/ct
EMERALDlab grown978₹1,41,694/ct
PEARlab grown942₹1,34,497/ct
OTHERnatural638₹2,42,860/ct
CUSHIONlab grown440₹1,15,250/ct
TRILLIONnatural225₹2,24,905/ct
MARQUISElab grown196₹1,24,568/ct
RADIANTlab grown120₹1,73,097/ct
HEARTlab grown95₹95,250/ct
ASSCHERlab grown62₹1,17,428/ct
ROUNDunknown27₹96,837/ct
BAGUETTEnatural16₹2,13,484/ct
OTHERlab grown15₹35,786/ct

Breakdown by Carat

CaratOriginListingsMedian (INR)
0.5-0.99ctnatural108,931₹1,09,396/ct
0.5-0.99ctlab grown9,091₹1,25,500/ct
1.0-1.49ctnatural81,166₹1,63,333/ct
1.0-1.49ctlab grown3,549₹1,54,134/ct
1.0-1.49ctunknown4₹1,96,397/ct
1.5-1.99ctnatural53,760₹2,28,922/ct
1.5-1.99ctlab grown4,082₹1,85,032/ct
2.0-2.99ctnatural32,048₹3,58,724/ct
2.0-2.99ctlab grown5,056₹2,20,083/ct
3.0ct+natural15,517₹6,40,891/ct
3.0ct+lab grown976₹2,85,733/ct
3.0ct+unknown2₹11,00,057/ct
under-0.5ctnatural81,983₹1,09,273/ct
under-0.5ctlab grown5,105₹94,710/ct
under-0.5ctunknown24₹95,345/ct
Back to all Colour grades
Search diamonds by gradeAsk Lucy

Compare prices across 100+ retailers worldwide. Find the best deal on your perfect diamond.